EP2747592B1 - Shoe and method for the construction thereof - Google Patents

Shoe and method for the construction thereof Download PDF

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Publication number
EP2747592B1
EP2747592B1 EP11871195.1A EP11871195A EP2747592B1 EP 2747592 B1 EP2747592 B1 EP 2747592B1 EP 11871195 A EP11871195 A EP 11871195A EP 2747592 B1 EP2747592 B1 EP 2747592B1
Authority
EP
European Patent Office
Prior art keywords
sgl
line
sole
shoe
foot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP11871195.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2747592A4 (en
EP2747592A1 (en
Inventor
Håvard ENGELL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gaitline AS
Original Assignee
Gaitline AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gaitline AS filed Critical Gaitline AS
Priority to PT11871195T priority Critical patent/PT2747592T/pt
Publication of EP2747592A1 publication Critical patent/EP2747592A1/en
Publication of EP2747592A4 publication Critical patent/EP2747592A4/en
Application granted granted Critical
Publication of EP2747592B1 publication Critical patent/EP2747592B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A43B13/125—Soles with several layers of different materials characterised by the midsole or middle layer
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/143—Soles; Sole-and-heel integral units characterised by the constructive form provided with wedged, concave or convex end portions, e.g. for improving roll-off of the foot
    • A43B13/145—Convex portions, e.g. with a bump or projection, e.g. 'Masai' type shoes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/143—Soles; Sole-and-heel integral units characterised by the constructive form provided with wedged, concave or convex end portions, e.g. for improving roll-off of the foot
    • A43B13/146—Concave end portions, e.g. with a cavity or cut-out portion
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/0036—Footwear characterised by the shape or the use characterised by a special shape or design
    • A43B3/0057—S-shaped
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/141—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form having an anatomical or curved form

Definitions

  • the present invention relates to shoes or footwear.
  • the invention relates to shoes that are specially constructed for walking with a balancing influence on the body above the shoes.
  • running shoes can be chosen with regard to the right pronation, which can be decided, for example, by visual consideration of the running step.
  • the shoes one chooses have an adapted inclined heel position and side support from the heel cap and upper leather with adapted rigidity, so that an over-pronation or under-pronation shall be avoided.
  • the concepts of over pronation and under-pronation appear in connection with running shoes only to be associated to where the pressure comes into the sole of the shoe when setting down the heel and where the pressure comes out in relation to the toes, while the pressure between said positions appears to be able to follow a straight line.
  • shoes other than running shoes which are adapted to give the correct pronation.
  • These shoes seem to be constructed with adapted side support and adapted tilted heel to give the right pressure at the heel on setting down, and out to the correct location in relation to the toes, without defining any definite line or path the weight should follow diagonally across the sole.
  • Some examples are found in the publications WO 2009083098 , GB 2456766 , US 2008276491 , US 5323549 , US 6341432 and US 2008229624 .
  • the invention according to NO 328090 provides a diagonally twisted sole, and a shoe with such sole, to correct the wrong placing of the heel and the wrong heel-to-toe movement so that a diagonal load curve of the sole of the feet is achieved. Anything else about the load curve is not described other than it being diagonal.
  • the diagonally twisted sole it is mentioned on page 4, lines 34-36 that "In special cases it can be imagined that it is not systematically twisted, but instead is adapted to a deformity, a wrong position or a restriction in the foot". But there are no instructions concerning a given load curve in preference to other load curves.
  • the invention provides a shoe comprising a sole and at least a part of an upper leather fastened to the sole, distinctive in that the shoe is constructed or adapted so that the resultant force vertically up from the base during walking is displaced along a fixed line, designated SGL (sensory gait line), as the line, for the right foot seen from above starts at the back tilted 40° ⁇ 10° from the outside on the setting down of the heel, the line goes forwards and turns outwards so that it goes below the middle of the calcaneus (the heel bone) from where the line further continues forwards to under the middle of the cuboid and has the shape of an extended S that goes out between the first and the second toe along the inside of the second toe bone, the sole as seen from behind of the right foot is turned clockwise in the heel and the intermediate foot area, i.e.
  • SGL sensor gait line
  • the shoe is beneficially constructed or adapted so that the resultant force vertically up from the base, or the centre of the pressure from the foot vertically down during a step is, in the main, displaced along a defined line, denoted SGL (sensory gait line), as the line, for the right foot seen from above starts at the back, typically slanting about 40° from the outside at the setting down of the heel, the line turns or swings laterally outwards while it runs forwards so that it runs, in the main, straight forwards under the middle of the heel bone calcaneus (heel bone), from where the line continues up to under the middle of the cuboid from where the line further forwards at first turns or swings medially inwards towards the basis between the second and the third metatarsal and thereafter turns forwards in the longitudinal direction of the foot, so that the line touches the medial side of the corpus second metatarsal and thereafter further forwards along the medial side of the second toe.
  • SGL sensor gait line
  • the SGL will have the form of an extended S that runs out between the first and the second toes. From the middle under the cuboid the SGL runs forwards and medially inwards so that the line goes to under the outer part of the second metatarsal (second intermediate foot bone) under the inner side of the outer end thereof, from where the line runs further forwards between the first and second toe bones, so that the line SGL, from under the middle of the cuboid and forwards has the shape of an extended S.
  • the SGL runs further forwards to the area under the basal of the third and the fourth metatarsal, from where the SGL goes forwards and swings medially between the first and the second basal joint and tapers off forwards to the end as the SGL runs out between the first and the second toe.
  • the SGL follows the heel bone and the cuboid so that the SGL goes under the middle of the heel bone and the cuboid before the SGL continues further forwards.
  • the resultant force or pressure against and along the curved line SGL leads to the foot getting a natural movement pattern with a balanced muscle activation along and about all axis in the foot and ankle.
  • the basis is made for an efficient walking movement and natural movement of the joints of the foot, ankle, knee, hip and backbone, with the resulting reduced mechanical loads.
  • a more anti-pronation heel construction is achieved, as the shape of the shoe guides the step or the placing of the foot through the intermediate foot area, up to and through the forefoot.
  • the resultant force or pressure centre from the foot vertically down against the base, or the pressure or the centre of the pressure from the base against the foot during a step, in the main moves along or follows a defined line along the sole longitudinally, the line is denoted SGL, means that the resultant or the pressure centre along the cross section of the sole of the foot moves along or follows the SGL.
  • the expression at least a part of the upper leather fastened to the sole, is meant that the shoe comprises more than a sole to hold the foot securely to the shoe, such as an upper part, for example, an upper leather and a heel cap.
  • shoe encompasses everything from the simplest sandals and slippers to the most complex shoes, essential in this context is that the forces or the pressure is controlled so that the line SGL, in the main, is followed along the whole of the foot, from the heel to the toe.
  • the SGL starts at the back, typically slanting at 40° ⁇ 20°, more typically 40° ⁇ 10° obliquely, which is the angle in relation to the longitudinal direction of the foot of the sole at the heel set, however, the SGL quickly swings forwards and follows, in the main, the mid-axis or the most pronounced line of the heel bone forwards to the cuboid.
  • the line SGL in the main, is followed is meant that preferably the construction of the sole of the shoe guides the step so that the line is followed to ⁇ 20 mm sidewise, more preferred ⁇ 10 mm, possibly ⁇ 5 mm sidewise, but most preferred is that the sole construction is such that the shoe is unstable inside the SGL, so that the muscles and nerves are activated in that the foot can flip or tilt about the SGL along the whole length of the foot.
  • the line can be defined as a band where the resultant force shall lie within the band, the breadth of which is as defined by the permitted deviations from the ideal line, as it is defined above.
  • the shoe is constructed or adapted so that the sole, upper part and any insole which when put together provides guidance, as a whole, as assembled, so that the foot during a step flips around the line SGL such that the force goes down through SGL.
  • the shoe prefferably has some embodiments with a convex sole in the longitudinal direction against the base.
  • a convex sole in the longitudinal direction against the base.
  • the sole of the shoe is preferably concave in the cross direction against the base and the outer longitudinal rims have preferably variable heights that control the weight along the SGL during a step, the sole is as seen from behind for the right foot preferably twisted clockwise in the heel and the intermediate foot area, but, in the main, plane in the forefoot area.
  • the shoe is lower (possibly softer) on the outside laterally for the SGL in the heel and intermediate foot in relation to the inner side medially for the SGL.
  • the upper or inner sole of the shoe lies advantageously against the foot sole on both sides of the SGL to better activate and stimulate the sensory system in the sole of the foot.
  • the shoe it is advantageous for the shoe to have an instability by flipping about the line SGL so that muscles on both the inside and outside of the foot and ankle are activated and trained, the instability is preferably achieved in that the intermediate sole is softer and more elastic than the upper and lower parts of the sole which provides the correct flipping about the line SGL.
  • the sole of the shoe has an increased elasticity module or rigidity against being pressed together for harder applications and heavier people, for example, so that running shoes are stiffer than walking shoes which in turn are stiffer than party shoes. Small shoe sizes are advantageously softer than larger shoes.
  • a regulated elasticity module or rigidity against being pressed together can be achieved in known ways, for example, by controlling the amount of material, for example, PU (polyurethane), per volumetric unit injected into a casting mould.
  • the sole can advantageously be twisted with regard to the SGL.
  • permanent, loose and/or inserts that can be fastened can be adapted to twist around the line SGL so that the resultant force follows the SGL.
  • rigidity and elasticity and/or supporting points or zones can be, with greater or smaller rigidity and/or elasticity, arranged alternately at the side of the line SGL so that the resultant force from the foot during a step follows the SGL.
  • the line SGL can be regarded to be the natural line for weight, pressure through the foot so that joints, nerves (sensory) and muscles are activated in a balanced way through the step (gait line).
  • the joints, nerves, ligaments and connecting tissue structures are actively balanced on each side of the line SGL if the weight follows the SGL, so that any suffering due to an imbalanced gait is reduced or eliminated.
  • the invention also provides a method for the manufacture of a shoe according to the invention, characterised by adapting the compressive rigidity and/or height of the sole construction on each side of the line SGL so that the pressure centre from the foot during a step moves along the SGL.
  • the invention also provides an application of a shoe according to the invention, on the foot of a person to adjust the person's gait.
  • Fig. 1 illustrates a foot, more specifically a foot seen from the underside or a footprint as seen from above, inside a right shoe or on right sole.
  • the purpose is to illustrate how the line 1, or more specifically the curve 1, SGL, runs in relation to the sole of the foot and footprint.
  • the SGL 1 is shown as a thick line or a band, as a certain tolerance for deviations from the ideal line must be included in practice, which is illustrated in that the SGL has a breadth of about 10 mm, which will permit deviations to within ⁇ 5 mm. The tolerance is given as an example only.
  • the illustrated line SGL (sensory gait line) starts at the setting down of the heel at an angle from the outside of the heel bone calcaneus, the line runs forwards and turns laterally outwards so that at about under the middle of the heel bone the direction is approximately directly forwards, while further forwards the SGL has the shape of an extended S that runs from the foot up to along the inside of the second toe. It can be clearly seen that the S-shape goes somewhat out from the mid-line of the body and out and forwards from the heel bone, while further forwards the SGL goes inwards and forwards while it turns, or swings, laterally outwards.
  • the SGL is a straight line and if the SGL was described by a mathematical function the second derivative would be equal to zero at said points while the sign would change according to the turning changes.
  • the curvature of the SGL is open outwards in the rear part of the sole of the foot, it changes to be open inwards in an intermediate area before it is open outwards again at the forward part of the sole of the foot.
  • Fig. 2 defines the SGL 1 in more detail by relating the SGL to the joints of the foot.
  • the SGL is drawn in and meant to lie correctly in relation to the joints. It is meant that the definitions in the description and claims shall define the SGL as illustrated in the figures 1 and 2 .
  • Figure 3a illustrates a shoe according to the invention, as seen from the side.
  • the illustrated embodiment has a sole which is convex in the longitudinal direction.
  • Figure 3b illustrates the same shoe seen from behind.
  • the sole is concave in the cross direction, as the outer rim or edge in the longitudinal direction of the sole guides the foot to correctly flip about the SGL as a step is taken.
  • Something which is difficult to see is that the sole is somewhat twisted and has somewhat varying height at the sides.
  • the shoe is built so that if the cross section is taken along the SGL, the edge is higher and/or more rigid along the side of the SGL which the SGL shall turn away from.
  • a more rigid and/or higher outer side ensures that the right foot seen from behind flips anti-clockwise and the resultant force moves inwards along the length of the cross section. The resultant force is controlled in this way to be moved along the SGL.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP11871195.1A 2011-08-22 2011-08-22 Shoe and method for the construction thereof Active EP2747592B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PT11871195T PT2747592T (pt) 2011-08-22 2011-08-22 Sapato e método para a respectiva construção

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NO2011/000229 WO2013028073A1 (en) 2011-08-22 2011-08-22 Shoe and method for the construction thereof

Publications (3)

Publication Number Publication Date
EP2747592A1 EP2747592A1 (en) 2014-07-02
EP2747592A4 EP2747592A4 (en) 2015-04-22
EP2747592B1 true EP2747592B1 (en) 2018-11-07

Family

ID=47746664

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11871195.1A Active EP2747592B1 (en) 2011-08-22 2011-08-22 Shoe and method for the construction thereof

Country Status (8)

Country Link
US (1) US20140230281A1 (no)
EP (1) EP2747592B1 (no)
KR (1) KR101920227B1 (no)
DK (1) DK2747592T3 (no)
ES (1) ES2709492T3 (no)
NO (1) NO20140104A1 (no)
PT (1) PT2747592T (no)
WO (1) WO2013028073A1 (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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WO2014151995A1 (en) 2013-03-15 2014-09-25 Backjoy Orthotics, Llc Neutral posture orienting footbed system for footwear
IT201800003863A1 (it) * 2018-03-22 2019-09-22 Pietro Galifi Dispositivo per determinare il movimento in spazi virtuali o reali.
WO2020163531A1 (en) * 2019-02-06 2020-08-13 Fuerst Group, Inc. Footwear article for walking

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Also Published As

Publication number Publication date
US20140230281A1 (en) 2014-08-21
EP2747592A4 (en) 2015-04-22
KR20140069009A (ko) 2014-06-09
KR101920227B1 (ko) 2018-11-20
WO2013028073A1 (en) 2013-02-28
DK2747592T3 (en) 2019-02-04
PT2747592T (pt) 2019-02-08
ES2709492T3 (es) 2019-04-16
EP2747592A1 (en) 2014-07-02
NO20140104A1 (no) 2014-01-29

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